5305-01-431-1391

Find complete technical information, availability, and procurement data for: 5305-01-431-1391
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-431-1391

Item Name Code

06673

Assigment Date

05/08/1996 (30 years ago)

A structural shape fabricated from a ferrous or nonferrous material and resembles the following cross-sectional forms: for the letter h, both flanges of the h section are equal or longer than the width measured along the axis of the web; for the letter i, a 16 2/3 percent slope on the inside face of the ferrous type flange, either one or both of the nonferrous type flanges are shorter than the length measured along the axis of the web; for the letters t and z, on nonferrous type, the web is usually at right angles to the flanges. Letter h section may have a maximum of 5 percent slope on the inside face of the flanges.

0.531 inches nominal fastener length, right-hand thread direction, 0.406 inches nominal thread length, 2a thread class, thumb no. 3 head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.406 inches nominal
Fastener Length: 0.531 inches nominal
Head Style: thumb no. 3
Head Height: 0.250 inches nominal
Width Between Flats: 0.437 inches nominal
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Material: copper alloy overall
Surface Treatment: nickel overall
Thread Series Designator: unc

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-431-1391?

The FSCG of the NSN 5305-01-431-1391 is 5305

Does the NSN 5305-01-431-1391 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-431-1391 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-431-1391 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-431-1391 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-431-1391 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, May 8, 1996